240 fps with a 'large' sensor?

Started 7 months ago | Discussions thread
Chinoy12 Regular Member • Posts: 135
Re: Shoot at 4K 120P and Use Optical Flow technology to Slow More

Markr041 wrote:

Steve Balcombe wrote:

I can record very nice 120 fps video on my R5 at 4K, and 90D at 1080p, but I'm looking for something which will record more fps - 240 would be ideal, for 8x slomo.

I know I can get 8x at 2.7K from a GoPro Hero 10, but I need a bigger sensor and a good optical zoom lens. 4K would be ideal, but full frame is not needed. M43 would be fine, or APS-C.

Pre-roll recording would be highly desirable, in fact almost essential.

I have Canon gear but I'm more than happy to look at something else for this project. Any suggestions?

This video was shot at 4K 120P, showing movement in real speed then slowed down by 10X using optical flow technology. That technology uses AI to fill in missing frames. It does a better job compared with shooting at a lower resolution and "upscaling", as you retain all the resolution:

You can also do speed ramping using that technology:

I use something similar to this called FlowFrames using RIFE. It's a pretty good interpolator too. In the samples you showed, it is more predicable movement so it does well. It's when it comes to more erractic and very fast movement, that the interpolators seem to struggle a bit and where I would use real frames instead. But that's just my opinion.

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